title: Preface to issue on embryonic and fetal hematopoiesis.
authors.affiliation: University of Rochester Medical Center, Rochester, NY, USA. Electronic address: james_palis@urmc.rochester.edu.
authors.forename: James
authors.initials: J
authors.lastname: Palis
mesh_terms: D000818:Animals; D047108:Embryonic Development / Q000502:physiology*; D047109:Fetal Development / Q000502:physiology*; D006410:Hematopoiesis / Q000502:physiology*; D006801:Humans